What is the Group of human beings belong to?

How did maurice wilkins die? How do organisms obtain energy from polysaccharides? What is the process called by means of which a researcher collects information from sources and studies it? What secretes hormones that regulate metabolism? What causes blackness in corner of eyes? What type of chemical bond exists between the bases A-T and C-G of DNA? How can you crack your thumb? If you stop eating how long will it take for your stomach to srink? What occurs on the 14 day of the menstrual cycle? Why does a certain virus attach to only one type or few types of cells? How long does blood take to circulate through the human body 1 or 5 minutes? The movement of substances through a cell membrane without the use of cell energy? What is the term called when the absence of disease causing microorganism? Whats the purpose of a multiplex PCR? Where do Psilophyta belong on the phylogeny? Can a blue eyed mom and a brown eyed dad have a hazel eyed baby? Life is organized in a hierarchical fashion - Which one what sequences illustrates that hierarchy as it increases in complexity? What percentage of Americans die before the age of 50? What causes the cones of lodgepole pines to release their seeds? Which of these is a reflex?

What is the Group of human beings belong to?